fire break out

• 发生火灾

fire break out的用法和样例：

例句

1. I regret to report that a fire broke out in our factory stores last night. The cause is not yet known.
   本人抱歉报告我厂仓库昨晚发生火灾，起火原因至今未明。
2. It is not enough only to draw on fire fighters in case of fire. We should know what to do when a fire breaks out.
   万一失火，光依靠消防队员是不够的，我们应知道发生火灾时该怎么做。